This herbal remedy contains chemicals that might help fight against cancer, as well as bacteria, viruses, and parasites. Graviola is used to treat infections caused by bacteria and parasites including leishmaniasis, a disease caused by parasites transmitted through the bite of sand fleas; herpes; coughs; and cancer. Taking larger amounts of the fruit or regularly drinking tea made from the leaves has been linked to movement disorders similar to Parkinson's disease. CAUTION: Do not use if pregnant or breastfeeding. People have used this herb for: Inflammation of the nose and throat herpes relaxation inducing vomiting emptying the bowels.